Malicious PDF — malware analysis report

Static analysis result for SHA-256 7865541fbef616fb…

MALICIOUS

PDF

16.3 KB Created: 2019-05-06 16:41:34 +01:00 Authoring application: mPDF 5.7
MD5: 2212f5feac6bf97d3cf58c4b3484fe9d SHA-1: 9cf7c1d9685ef43560a4b653a05c481c3553ca29 SHA-256: 7865541fbef616fb3b4c26ae5d98e8e14b2c836a79db0142c9100358896ec1e6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, many of which are hosted on the dynamic DNS domain 'loaminoo.linkpc.net'. This behavior is indicative of a link farm or a lure to download further content. The ML classifier also flagged this PDF as malicious, supporting the suspicious nature of the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://loaminoo.linkpc.net/9095090090094090/The-Echoed-Song-by-Mrs-Prosser-and-Weeping-Willowby-by-Sophie-Amelia-Prosser.pdf
    • http://loaminoo.linkpc.net/9095090090094095/Geology-Explained-In-The-Lake-District-by-Robert-Prosser.pdf
    • http://loaminoo.linkpc.net/9094099098095097/The-Life-of-David-A-Prosser---a-Brummie-by-David-A-Prosser.pdf
    • http://loaminoo.linkpc.net/9094099098095093/The-Life-of-David-A-Prosser---A-Brummie-by-David-A-Prosser.pdf
    • http://loaminoo.linkpc.net/9094099096091099/That-Prosser-Kid-by-Lloyd-Pye.pdf
    • http://loaminoo.linkpc.net/9094099098094094/Cyberantics-A-Little-Adventure-by-Jerry-Prosser.pdf
    • http://loaminoo.linkpc.net/6095092098090094/Aliens-Hive-by-Jerry-Prosser.pdf
    • http://loaminoo.linkpc.net/9094099099096092/Resolute-Alliance-by-James-R-Prosser-Jr-.pdf
    • http://loaminoo.linkpc.net/9094099099091098/FileMaker-Pro-13-The-Missing-Manual-by-Susan-Prosser.pdf
    • http://loaminoo.linkpc.net/9094099098094091/Resolute-Victory-The-War-for-Terra-4-by-James-Prosser.pdf
    • http://loaminoo.linkpc.net/9094099099096099/Predator-Invaders-From-the-Fourth-Dimension-by-Jerry-Prosser.pdf
    • http://loaminoo.linkpc.net/9094099099096094/Marriage-Ministry-A-Guidebook-Smyth-amp-Helwys-Help-Books-by-Bo-Prosser.pdf
    • http://loaminoo.linkpc.net/9094099099092098/Casenotes-Audio-Torts-Prosser-3e-by-Casenote-Legal-Briefs.pdf
    • http://loaminoo.linkpc.net/9094099099091096/Image-Based-Research-A-Sourcebook-for-Qualitative-Researchers-by-Jon-Prosser.pdf
    • http://loaminoo.linkpc.net/9094099099092099/Legalines-on-Torts-Keyed-to-Prosser-12th-by-Publishers-Editorial-Staff.pdf
    • http://loaminoo.linkpc.net/9095090090095093/Creating-French-Culture-Treasures-From-The-Biblioth-que-Nationale-De-France-by-Prosser-Gifford.pdf
    • http://loaminoo.linkpc.net/9094099098094096/Torts-Casebook-Edition-Keyed-to-Prosser-Wade-amp-Schwartz-by-Steven-L-Emanuel.pdf
    • http://loaminoo.linkpc.net/9095090090094099/Shakespeare-s-Anonymous-Editors-Scribe-and-Compositor-in-the-Folio-Text-of-2-Henry-IV-by-Eleanor-Prosser.pdf
    • http://loaminoo.linkpc.net/1090098092093099095/The-Battle-for-Australia-by-Bob-Wurth.pdf
    • http://loaminoo.linkpc.net/4092091093090099/Waltzing-Australia-by-Cynthia-Clampitt.pdf

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